Nanoscale ensembles using building blocks inspired by the [FeFe]-hydrogenase active site |
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| Institution: | Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, IL 61801, USA |
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| Abstract: | The hydrogenase model Fe2(S2C3H6)(CN)2(CO)4]2− was employed as a molecular tecton for the construction of supramolecular aggregates. IR spectroscopy indicated that cyanide bridged aggregates are formed when Fe2(S2C3H6)(CN)2(CO)4]2− was treated with Lewis acids such as Zn(tetraphenylporphyrinate), Cu(NCMe)(2,2′-bipyridine)]PF6 and Cu(NCMe)4]PF6. Condensation of Fe2(S2C3H6)(CN)2(CO)4]2− with the tritopic Lewis acid Cp1Rh]2+ afforded the novel expanded tetrahedron cage, {Fe2(S2C3H6)(CN)2(CO)4]6Cp1Rh]4}4−. The tetrahedron cage was characterized crystallographically as the PPN salt. |
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